HUSABERG TE FE FX FS 125 250 300 350 390 450 501 570 650 AS3 FACTORY REAR SPROCKET 520 50T BLUE year-2007 AS3 Performance stem nuts are

AS3 Performance stem nuts are manufactured from 7075 T6 aluminium and are a great upgrade from the OEM stem nuts

1993-1997 Honda CB 1000

2008-2013 Sherco SE 250i-F

1988-1995 Suzuki GSXR 750

2010-2019 Beta Evo 80

HUSABERG TE FE FX FS 125 250 300 350 390 450 501 570 650 AS3 FACTORY REAR SPROCKET 520 50T BLUE year-2007 AS3 Performance stem nuts areAS3 Performance Factory Series rear sprockets combine the strength of steel and the light weight of aluminium to give you the ultimate hard wearing rear sprocket. The outer ring is manufactured from hardened steel with a nickel coating and will outlast an aluminium sprocket by up to 3 times. The inner ring is constructed from aircraft grade 7075 T6 aluminium and is up to 50% lighter than a standard steel sprocket. Details Teeth: 50 Chain: 520 Will Fit